Hummelen, prof. dr. Kees
Kees Hummelen is hoogleraar Chemie van moleculaire (bio)organische materialen aan de Rijksuniversiteit Groningen. Samen met zijn medewerkers werkt hij aan plastic zonnepanelen. Plastic is aanzienlijk goedkoper dan de grondstoffen die normaliter gebruikt worden bij de fabricage van zonnecellen. Het rendement is momenteel nog te laag om daadwerkelijk concurrerend te zijn. De elektronendonor die Hummelen gebruikt is een bijzonder soort polymeer, een zogenoemde geconjugeerde polymeer die gekleurd is en daardoor meer licht opneemt en goed geleidt. Polymeren zijn lange moleculen met ingewikkelde structuren. De andere stof, de elektronen-acceptor, is een buckyball: een voetbalvormig molecuul van zestig koolstofatomen.
Eerder in het nieuws
- Waarom plastic zonnecellen hun populariteit verloren
- Een device van één enkel molecuul voor je mobieltje
- Doorbraak voor plastic zonnecel
- Zwak licht nu ook inzetbaar voor toepassingen
- Plastic zonnecel verdringt silicium (Broerstraat 5, juli 2011, pag. 14-15)
- Kees Hummelen in mondiale top-10 onderzoekers
- Vijf miljoen euro voor onderzoek Hummelen
- Perspectief op plastic zonnecel (Broerstraat 5, april 2007, p. 12)
2022
Rahimichatri,
A., Liu, J., Jahani, F., Qiu, L.,
Chiechi, R. C., Hummelen, J. C., &
Koster, L. J. A. (2022). A method for identifying the
cause of inefficient salt-doping in organic semiconductors.
Journal of Materials Chemistry C,
10(36), 13093-13098. https://doi.org/10.1039/d1tc06062g
Rousseva,
S., Raul, B. A. L., van Kooij, F. S., Kuevda,
A. V., Birudula, S., Hummelen, J.
C., Pshenichnikov, M. S., & Chiechi,
R. C. (2022). Investigating the dielectric properties
and exciton diffusion in C70 derivatives.
Physical Chemistry Chemical Physics,
24(22), 13763-13772. https://doi.org/10.1039/d2cp00791f
2021
Dong,
J., Sami, S., Balazs, D. M., Alessandri, R.,
Jahani, F., Qiu, L., Marrink, S. J., Havenith,
R. W. A., Hummelen, J. C., Loi, M.
A., & Portale, G. (2021). Fullerene
derivatives with oligoethylene-glycol side chains: An investigation
on the origin of their outstanding transport properties.
Journal of Materials Chemistry C,
9(45), 16217-16225. https://doi.org/10.1039/d1tc02753k
Qiu,
X., Rousseva, S., Ye, G.,
Hummelen, J. C., & Chiechi, R. C. (2021).
In Operando Modulation of Rectification in Molecular
Tunneling Junctions Comprising Reconfigurable Molecular
Self-Assemblies. Advanced materials,
33(4), Article e2006109. https://doi.org/10.1002/adma.202006109
Liu,
J., Van der Zee, B., Villava, D. R., Ye,
G., Kahmann, S., Kamperman, M., Dong,
J., Qiu, L., Portale, G., Loi, M.
A., Hummelen, J. C., Chiechi, R.
C., Baran, D., & Koster, L. J. A. (2021).
Molecular Doping Directed by a Neutral Radical.
ACS Applied Materials and Interfaces,
13(25), 29858–29865. https://doi.org/10.1021/acsami.1c03411
2020
Koopmans,
M., Leiviskä, M. A. T., Liu, J.,
Dong, J., Qiu, L., Hummelen, J. C.,
Portale, G., Heiber, M. C., & Koster, L. J.
A. (2020). Electrical Conductivity of Doped Organic
Semiconductors Limited by Carrier-Carrier Interactions.
ACS Applied Materials & Interfaces,
12(50), 56222-56230. https://doi.org/10.1021/acsami.0c15490
Massetti,
M., Bonfadini, S., Nava, D., Butti, M., Criante, L., Lanzani, G.,
Qiu, L., Hummelen, J. C., Liu, J., Koster, L. J.
A., & Caironi, M. (2020). Fully direct written
organic micro-thermoelectric generators embedded in a plastic
foil. Nano energy, 75,
Article 104983. https://doi.org/10.1016/j.nanoen.2020.104983
Liu,
J., van der Zee, B., Alessandri, R., Sami,
S., Dong, J., Nugraha, M. I., Barker, A.
J., Rousseva, S., Qiu, L., Qiu, X.,
Klasen, N., Chiechi, R. C., Baran, D., Caironi, M.,
Anthopoulos, T. D., Portale, G., Havenith, R. W.
A., Marrink, S. J., Hummelen, J.
C., & Koster, L. J. A. (2020). N-type
organic thermoelectrics: demonstration of ZT > 0.3.
Nature Communications, 11(1),
Article 5694. https://doi.org/10.1038/s41467-020-19537-8
Rousseva,
S., den Besten, H., van Kooij, F. S., Doting,
E. L., Doumon, N. Y., Douvogianni, E., Koster,
L. J. A., & Hummelen, J. C. (2020).
Reaching a Double-Digit Dielectric Constant with Fullerene
Derivatives. Journal of Physical Chemistry
C, 124(16), 8633-8638. https://doi.org/10.1021/acs.jpcc.0c01390
Qiu,
X., Ivasyshyn, V., Qiu, L., Enache,
M., Dong, J., Rousseva, S.,
Portale, G., Stöhr, M., Hummelen, J.
C., & Chiechi, R. C. (2020).
Thiol-free self-assembled oligoethylene glycols enable robust
air-stable molecular electronics. Nature
Materials, 19, 330-337. https://doi.org/10.1038/s41563-019-0587-x
2019
Ye,
G., Doumon, N. Y., Rousseva,
S., Liu, Y., Abdu-Aguye, M., Loi, M.
A., Hummelen, J. C., Koster, L. J.
A., & Chiechi, R. C. (2019).
Conjugated Polyions Enable Organic Photovoltaics Processed
from Green Solvents. ACS Applied Energy
Materials, 2(3), 2197-2204. https://doi.org/10.1021/acsaem.8b02226
Liu,
J., Garman, M. P., Dong, J., van der Zee, B.,
Qiu, L., Portale, G., Hummelen, J.
C., & Koster, L. J. A. (2019). Doping
Engineering Enables Highly Conductive and Thermally Stable n-Type
Organic Thermoelectrics with High Power Factor.
ACS Applied Energy Materials, 2(9),
6664-6671. https://doi.org/10.1021/acsaem.9b01179
Vezie,
M. S., Azzouzi, M., Telford, A. M., Hopper, T. R., Sieval, A.
B., Hummelen, J. C., Fallon, K., Bronstein, H.,
Kirchartz, T., Bakulin, A. A., Clarke, T. M., & Nelson, J.
(2019). Impact of Marginal Exciton-Charge-Transfer State
Offset on Charge Generation and Recombination in Polymer: Fullerene
Solar Cells. ACS Energy Letters,
4(9), 2096-2103. https://doi.org/10.1021/acsenergylett.9b01368
Liu,
J., Maity, S., Roosloot, N., Qiu, X., Qiu,
L., Chiechi, R. C., Hummelen, J. C., von
Hauff, E., & Koster, L. J. A. (2019). The
Effect of Electrostatic Interaction on n-Type Doping Efficiency of
Fullerene Derivatives. Advanced electronic
materials, 5(11), Article 1800959. https://doi.org/10.1002/aelm.201800959
2018
Brebels,
J., Douvogianni, E., Devisscher, D., Eachambadi, R. T., Manca, J.,
Lutsen, L., Vanderzande, D., Hummelen, J. C., &
Maes, W. (2018). An effective strategy to enhance the
dielectric constant of organic semiconductors - CPDTTPD-based low
bandgap polymers bearing oligo(ethylene glycol) side chains.
Journal of Materials Chemistry C,
6(3), 500-511. https://doi.org/10.1039/c7tc05264b
Nieuwendaal,
R. C., DeLongchamp, D. M., Richter, L. J., Snyder, C. R., Jones, R.
L., Engmann, S., Herzing, A., Heeney, M., Fei, Z., Sieval, A.
B., & Hummelen, J. C. (2018).
Characterization of Interfacial Structure in
Polymer-Fullerene Bulk Heterojunctions via C-13 {H-2} Rotational
Echo Double Resonance NMR. Physical Review
Letters, 121(2), Article 026101. https://doi.org/10.1103/PhysRevLett.121.026101
Liu,
J., Qiu, L., Alessandri, R., Qiu, X.,
Portale, G., Dong, J., Talsma, W., Ye,
G., Sengrian, A. A., Souza, P. C. T.,
Loi, M. A., Chiechi, R. C., Marrink, S.
J., Hummelen, J. C., & Koster, L. J.
A. (2018). Enhancing Molecular n-Type Doping of
Donor-Acceptor Copolymers by Tailoring Side Chains.
Advanced materials, 30(7), Article
1704630. https://doi.org/10.1002/adma.201704630
Ivasyshyn,
V. E., Ye, G., Rousseva, S.,
Hummelen, K., & Chiechi, R. (2018).
Increasing the Dielectric Constant of Organic Materials for
Photovoltaics. In S. K. Kurinec (Ed.), Emerging
Photovoltaic Materials: Silicon & Beyond (pp. 403-441).
Scrivener Publishing LLC. https://doi.org/10.1002/9781119407690.ch11
Liu,
J., Qiu, L., Portale, G., Torabi, S.,
Stuart, M. C. A., Qiu, X., Koopmans,
M., Chiechi, R. C., Hummelen, J.
C., & Koster, L. J. A. (2018).
Side-chain effects on N-type organic thermoelectrics: A case
study of fullerene derivatives. Nano
energy, 52, 183-191. https://doi.org/10.1016/j.nanoen.2018.07.056
Douvogianni,
E., Qiu, X., Qiu, L., Jahani, F., Kooistra, F.
B., Hummelen, J. C., & Chiechi, R. C.
(2018). Soft Nondamaging Contacts Formed from Eutectic Ga-In
for the Accurate Determination of Dielectric Constants of Organic
Materials. Chemistry of Materials,
30(16), 5527-5533. https://doi.org/10.1021/acs.chemmater.8b02212
2017
Shao,
S., Liu, J., Fang, H.-H., Qiu, L., ten
Brink, G. H., Hummelen, J. C., Koster, L.
J. A., & Loi, M. A. (2017). Efficient
Perovskite Solar Cells over a Broad Temperature Window: The Role of
the Charge Carrier Extraction. Advanced Energy
Materials, 7(22), Article 1701305. https://doi.org/10.1002/aenm.201701305
Qiu,
L., Liu, J., Alessandri, R., Qiu,
X., Koopmans, M., Havenith, R. W.
A., Marrink, S. J., Chiechi, R.
C., Koster, L. J. A., & Hummelen, J.
C. (2017). Enhancing doping efficiency by improving
host-dopant miscibility for fullerene-based n-type
thermoelectrics. Journal of Materials Chemistry
A, 5(40), 21234-21241. https://doi.org/10.1039/c7ta06609k
Zhou,
D., Doumon, N. Y., Abdu-Aguye, M., Bartesaghi,
D., Loi, M. A., Koster, L. J. A.,
Chiechi, R. C., & Hummelen, J. C. (2017).
High-quality conjugated polymers via one-pot Suzuki-Miyaura
homopolymerization. RSC Advances,
7(44), 27762-27769. https://doi.org/10.1039/c7ra03539j
Groeneveld,
B. G. H. M., Najafi, M., Steensma, B., Adjokatse, S., Fang, H.-H.,
Jahani, F., Qiu, L., ten Brink, G. H., Hummelen,
J. C., & Loi, M. A. (2017). Improved
efficiency of NiOx-based p-i-n perovskite solar cells by using
PTEG-1 as electron transport layer. APL
Materials, 5(7), Article 076103. https://doi.org/10.1063/1.4992783
Liu,
J., Qiu, L., Portale, G., Koopmans,
M., Ten Brink, G., Hummelen, J.
C., & Koster, L. J. A. (2017). N-Type
Organic Thermoelectrics: Improved Power Factor by Tailoring
Host-Dopant Miscibility. Advanced
materials, 29(36), Article 1701641. https://doi.org/10.1002/adma.201701641
Shi,
W., Hou, X., Liu, T., Zhao, X., Sieval, A. B., Hummelen, J.
C., & Dennis, T. J. S. (2017). Purification and
electronic characterisation of 18 isomers of the OPV acceptor
material bis-[60]PCBM. Chemical
Communications, 53(5), 975-978. https://doi.org/10.1039/c6cc07820f
Torabi,
S., Cherry, M., Duijnstee, E. A., Le Corre, V. M.,
Qiu, L., Hummelen, J. C., Palasantzas,
G., & Koster, L. J. A. (2017). Rough
Electrode Creates Excess Capacitance in Thin-Film
Capacitors. ACS Applied Materials and
Interfaces, 9(32), 27290-27297. https://doi.org/10.1021/acsami.7b06451
2016
Torabi,
S., Liu, J., Gordiichuk, P., Herrmann,
A., Qiu, L., Jahani, F., Hummelen, J. C.,
& Koster, L. J. A. (2016). Deposition of LiF onto
Films of Fullerene Derivatives Leads to Bulk Doping.
ACS Applied Materials & Interfaces,
8(34), 22623-22628. https://doi.org/10.1021/acsami.6b05638
Shao,
S., Abdu-Aguye, M., Qiu, L., Lai, L.-H., Liu,
J., Adjokatse, S., Jahani Bahnamiri, F., Kamminga, M.
E., Brink, ten, G., Palstra, T. T.
M., Kooi, B. J., Hummelen, J.
C., & Loi, M. A. (2016). Elimination
of the light soaking effect and performance enhancement in
perovskite solar cells using a fullerene derivative.
Energy & Environmental Science,
9(7), 2444-2452. https://doi.org/10.1039/c6ee01337f
de
Gier, H. D., Jahani , F., Broer, R.,
Hummelen, J. C., & Havenith, R. W. A.
(2016). Promising Strategy To Improve Charge Separation in
Organic Photovoltaics: Installing Permanent Dipoles in PCBM
Analogues. The Journal of Physical Chemistry. A:
Molecules, Spectroscopy, Kinetics, Environment, & General
Theory, 120(27), 4664-4671. https://doi.org/10.1021/acs.jpca.5b09279
Qiu,
L., Zhang, Y., Krijger, T., Qiu, X., van 't Hof,
P., Hummelen, J., & Chiechi, R.
(2016). Rectification of Current Responds to Incorporation of
Fullerenes into Mixed-Monolayers of Alkanethiolates in Tunneling
Junctions. Chemical Science. https://doi.org/10.1039/C6SC04799H
Koole,
M., Hummelen, J. C., & van der Zant, H. S. J.
(2016). Spin excitations in an all-organic double quantum dot
molecule. Physical Review B,
94(16), Article 165414. https://doi.org/10.1103/PhysRevB.94.165414
2015
Savagatrup,
S., Rodriquez, D., Printz, A. D., Sieval, A. B., Hummelen, J.
C., & Lipomi, D. J. (2015). [70]PCBM and
Incompletely Separated Grades of Methanofullerenes Produce Bulk
Heterojunctions with Increased Robustness for Ultra-Flexible and
Stretchable Electronics. Chemistry of
Materials, 27(11), 3902-3911. https://doi.org/10.1021/acs.chemmater.5b00638
Sieval,
A. B., Treat, N. D., Rozema, D., Hummelen, J. C.,
& Stingelin, N. (2015). Diels-Alders adducts of C-60 and
esters of 3-(1-indenyl)-propionic acid: alternatives for [60]PCBM
in polymer:fullerene solar cells. Chemical
Communications, 51(38), 8126-8129. https://doi.org/10.1039/c5cc01642h
Koole,
M., Thijssen, J. M., Valkenier, H., Hummelen, J. C.,
& van der Zant, H. S. J. (2015). Electric-Field Control
of Interfering Transport Pathways in a Single-Molecule
Anthraquinone Transistor. Nano
Letters, 15(8), 5569-5573. https://doi.org/10.1021/acs.nanolett.5b02188
Torabi,
S., Jahani, F., Van Severen, I., Kanimozhi, C., Patil, S.,
Havenith, R. W. A., Chiechi, R. C., Lutsen, L.,
Vanderzande, D. J. M., Cleij, T. J., Hummelen, J.
C., & Koster, L. J. A. (2015).
Strategy for Enhancing the Dielectric Constant of Organic
Semiconductors Without Sacrificing Charge Carrier Mobility and
Solubility. Advanced Functional
Materials, 25(1), 150-157. https://doi.org/10.1002/adfm.201402244
2014
Valkenier,
H., Guedon, C. M., Markussen, T., Thygesen, K. S., van der Molen,
S. J., & Hummelen, J. C. (2014).
Cross-conjugation and quantum interference: a general
correlation? Physical Chemistry Chemical
Physics, 16(2), 653-662. https://doi.org/10.1039/c3cp53866d
Sieval,
A. B., & Hummelen, J. C. (2014).
Fullerene-Based Acceptor Materials. In C. Brabec, U.
Scherf, & V. Dyakonov (Eds.), Organic Photovoltaics:
Materials, Device Physics, and Manufacturing Technologies: Second
Edition (Vol. 9783527332250, pp. 209-238). Wiley-Blackwell. https://doi.org/10.1002/9783527656912.ch07
Jahani,
F., Torabi, S., Chiechi, R. C., Koster, L. J.
A., & Hummelen, J. C. (2014).
Fullerene derivatives with increased dielectric
constants. Chemical communications (Cambridge,
England), 50(73), 10645-10647. https://doi.org/10.1039/c4cc04366a
Perrin,
M. L., Frisenda, R., Koole, M., Seldenthuis, J. S., Gil, J. A. C.,
Valkenier , H., Hummelen, J. C., Renaud, N., Grozema,
F. C., Thijssen, J. M., Dulic, D., & van der Zant, H. S. J.
(2014). Large negative differential conductance in
single-molecule break junctions. Nature
Nanotechnology, 9(10), 830-834. https://doi.org/10.1038/NNANO.2014.177
Torabi,
S., Jahani Bahnamiri, F., Van Severen, I., Patil, S.,
Havenith, R. W. A., Chiechi, R. C., Lutsen, L.,
Vanderzande, D., Cleij, T. J., Hummelen, J. C.,
& Koster, L. J. A. (2014). Strategy for Enhancing
the Electric Permittivity of Organic Semiconductors. In
Optical Nanostructures and Advanced Materials for
Photovoltaics, PVLED 2014 Article JW6A.31 (Optics InfoBase
Conference Papers). The Optical Society of America. https://doi.org/10.1364/E2.2014.JW6A.31
2013
Serbenta,
A., Pavelyev, V. G., Hummelen, J. C., Loosdrecht, P.
H. M. V., & Pshenichnikov, M. S. (2013).
Exciton and Hole-Transfer Dynamics in Polymer: Fullerene
Blends. In M. Chergui, S. Cundiff, A. Taylor, R. D.
Vivie-Riedle, & K. Yamanouchi (Eds.), Proceedings of the
XVIIIth International Conference on Ultrafast Phenomena (41
ed., Vol. 41, pp. 04012-p.1-04012-p.3). University of Groningen,
Stratingh Institute for Chemistry.
Loi,
M. A., & Hummelen, J. C. (2013).
Hybrid solar cells: Perovskites under the Sun.
Nature Materials, 12(12), 1087-1089.
https://doi.org/10.1038/nmat3815
Chiechi,
R. C., Havenith, R. W. A., Hummelen, J.
C., Koster, L. J. A., & Loi, M.
A. (2013). Modern plastic solar cells: materials,
mechanisms and modeling. Materials
Today, 16(7-8), 281-289. https://doi.org/10.1016/j.mattod.2013.07.003
Nuzzo,
D. D., Wetzelaer, G.-J. A. H., Bouwer, R. K. M., Gevaerts, V. S.,
Meskers, S. C. J., Hummelen, J. C., Blom, P. W. M.,
& Janssen, R. A. J. (2013). Simultaneous Open-Circuit
Voltage Enhancement and Short-Circuit Current Loss in Polymer:
Fullerene Solar Cells Correlated by Reduced Quantum Efficiency for
Photoinduced Electron Transfer. Advanced Energy
Materials, 3(1), 85-94. https://doi.org/10.1002/aenm.201200426
Frisenda,
R., Perrin, M. L., Valkenier, H., Hummelen, J. C.,
& Zant, H. S. J. V. D. (2013). Statistical analysis of
single-molecule breaking traces. Physica Status
Solidi B, 250(11), 2431-2436. https://doi.org/10.1002/pssb.201349236
2012
Zou,
W., Visser, C., Maduro, J. A., Pshenichnikov, M.
S., & Hummelen, J. C. (2012).
Broadband dye-sensitized upconversion of near-infrared
light. Nature Photonics,
6(8), 560-564. https://doi.org/10.1038/nphoton.2012.158
Kaliginedi,
V., Moreno-Garcia, P., Valkenier -van Dijk, H., Hong, W.,
Garcia-Suarez, V. M., Buiter, P., Otten, J. L. H., Hummelen,
J. C., Lambert, C. J., & Wandlowski, T. (2012).
Correlations between Molecular Structure and Single-Junction
Conductance: A Case Study with Oligo(phenylene-ethynylene)-Type
Wires. Journal of the American Chemical
Society, 134(11), 5262-5275. https://doi.org/10.1021/ja211555x
Bouwer,
R. K. M., Wetzelaer, G.-J. A. H., Blom, P. W. M., &
Hummelen, J. C. (2012). Influence of the isomeric
composition of the acceptor on the performance of organic bulk
heterojunction P3HT: bis-PCBM solar cells. Journal
of Materials Chemistry, 22(30), 15412-15417.
https://doi.org/10.1039/c2jm32993j
Guedon,
C. M., Valkenier, H., Markussen, T., Thygesen, K. S.,
Hummelen, J. C., & van der Molen, S. J. (2012).
Observation of quantum interference in molecular charge
transport. Nature Nanotechnology,
7(5), 304-308. https://doi.org/10.1038/NNANO.2012.37
Koster,
L. J. A., Shaheen, S. E., & Hummelen, J. C.
(2012). Pathways to a New Efficiency Regime for Organic Solar
Cells. Advanced Energy Materials,
2(10), 1246-1253. https://doi.org/10.1002/aenm.201200103
Chiechi,
R. C., & Hummelen, J. C. (2012).
Polymer Electronics, Quo Vadis? Acs Macro
Letters, 1(10), 1180-1183. https://doi.org/10.1021/mz3004133
2011
Hong,
W., Valkenier, H., Meszaros, G., Manrique, D. Z., Mishchenko, A.,
Putz, A., Garcia, P. M., Lambert, C. J., Hummelen, J.
C., & Wandlowski, T. (2011). An MCBJ case study:
The influence of π-conjugation on the single-molecule
conductance at a solid/liquid interface. Beilstein
Journal of Nanotechnology, 2(1), 699-713. https://doi.org/10.3762/bjnano.2.76
Guedon,
C. M., Zonneveld, J., Valkenier, H., Hummelen, J. C.,
& van der Molen, S. J. (2011). Controlling the
interparticle distance in a 2D molecule-nanoparticle
network. Nanotechnology,
22(12), 125205-1-125205-5. Article 125205. https://doi.org/10.1088/0957-4484/22/12/125205
Dyakonov,
V., Riedel, I., Deibel, C., Parisi, J., Brabec, C. J.,
Sariciftci, N. S., & Hummelen, J. C. (2011).
Electronic properties of polymer-fullerene solar
cells. MRS Online Proceedings Library,
665, 235-246. Article 71. https://doi.org/10.1557/proc-665-c7.1
Fracasso,
D., Valkenier, H., Hummelen, J. C., Solomon, G.
C., Chiechi, R. C., Hong, W., Mészáros, G.,
Zsolt Manrique, D., Mishchenko, A., Putz, A., Moreno García,
P., Lambert, C. J., & Wandlowski, T. (2011). Evidence for
quantum interference in sams of arylethynylene thiolates in
tunneling junctions with eutectic Ga-In (EGaIn) top-contacts: The
influence of π-conjugation on the single-molecule conductance
at a solid/liquid interface. Journal of the
American Chemical Society, 133(24), 9556-9563.
https://doi.org/10.1021/ja202471m
Valkenier,
H., Huisman, E. H., Hal, P. A. V., de Leeuw, D., Chiechi, R.
C., & Hummelen, J. C. (2011).
Formation of high-quality self-assembled monolayers of
conjugated dithiols on gold: Base matters. Journal
of the American Chemical Society, 133(13),
4930-4939. https://doi.org/10.1021/ja110358t
Ball,
J. M., Bouwer, R. K. M., Kooistra, F. B., Frost, J. M., Qi, Y.,
Buchaca Domingo, E., Smith, J., de Leeuw, D. M., Hummelen, J.
C., Nelson, J., Kahn, A., Stingelin, N., Bradley, D. D. C.,
& Anthopoulos, T. D. (2011). Soluble fullerene
derivatives: The effect of electronic structure on transistor
performance and air stability. Journal of Applied
Physics, 110(1), 014506-1-014506-9. Article
014506. https://doi.org/10.1063/1.3605531
Brouwer,
F., Alma, J., Valkenier, H., Voortman, T. P., Hillebrand, J.,
Chiechi, R. C., & Hummelen, J. C. (2011).
Using bis(pinacolato)diboron to improve the quality of
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